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Thermo Fisher Scientific Inc.

TMO
Exchange
NYSE
Industry
Measuring & Controlling Devices, NEC
SEC CIK
0000097745

In the last 90 days, Thermo Fisher Scientific Inc. insiders filed 0 open-market purchases and 11 sales; 2,628 institutions reported holding it in 13F filings for Q2 2026, worth $169.2B in total; 6 superinvestors hold it, including Viking Global Investors and D1 Capital Partners.

13F holders, Q3 2025

Institutional positions in Thermo Fisher Scientific Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
2,515
+95 vs. Q2 2025
Shares held
331.9M
+1.37M (+0.4%) vs. Q2 2025
Total value
$160.7B
+$27.5B (+20.6%) vs. Q2 2025
New holders
241
981 more added
Sold out
146
958 more reduced

40 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TMO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 2,515 institutions
Q1 2021: 2,046 institutionsQ2 2021: 2,082 institutionsQ3 2021: 2,135 institutionsQ4 2021: 2,347 institutionsQ1 2022: 2,321 institutionsQ2 2022: 2,287 institutionsQ3 2022: 2,270 institutionsQ4 2022: 2,379 institutionsQ1 2023: 2,391 institutionsQ2 2023: 2,392 institutionsQ3 2023: 2,370 institutionsQ4 2023: 2,496 institutionsQ1 2024: 2,535 institutionsQ2 2024: 2,554 institutionsQ3 2024: 2,580 institutionsQ4 2024: 2,625 institutionsQ1 2025: 2,577 institutionsQ2 2025: 2,460 institutionsQ3 2025: 2,515 institutionsQ4 2025: 2,708 institutionsQ1 2026: 2,612 institutionsQ2 2026: 2,628 institutions
Value heldQ3 2025: $160.7B
Q1 2021: $157.2BQ2 2021: $172.9BQ3 2021: $197.5BQ4 2021: $230.1BQ1 2022: $203.3BQ2 2022: $186.4BQ3 2022: $175.3BQ4 2022: $190.1BQ1 2023: $196.1BQ2 2023: $177.8BQ3 2023: $173.1BQ4 2023: $181.6BQ1 2024: $196.3BQ2 2024: $187.5BQ3 2024: $208.3BQ4 2024: $176.4BQ1 2025: $167.8BQ2 2025: $135.6BQ3 2025: $160.7BQ4 2025: $199.1BQ1 2026: $164.1BQ2 2026: $169.2B
Institutions holding TMO and their total value by quarter
QuarterHoldersValue
Q2 20262,628$169.2B
Q1 20262,612$164.1B
Q4 20252,708$199.1B
Q3 20252,515$160.7B
Q2 20252,460$135.6B
Q1 20252,577$167.8B
Q4 20242,625$176.4B
Q3 20242,580$208.3B
Q2 20242,554$187.5B
Q1 20242,535$196.3B
Q4 20232,496$181.6B
Q3 20232,370$173.1B
Q2 20232,392$177.8B
Q1 20232,391$196.1B
Q4 20222,379$190.1B
Q3 20222,270$175.3B
Q2 20222,287$186.4B
Q1 20222,321$203.3B
Q4 20212,347$230.1B
Q3 20212,135$197.5B
Q2 20212,082$172.9B
Q1 20212,046$157.2B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q2 2025.

Institutions holding TMO in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Border to Coast Pensions Partnership Ltd170,197$82.5M1.44%+29,064+20.6%Added
Freestone Grove Partners LP170,124$82.5M0.62%+170,124New
Tredje AP-fonden169,971$82.4M0.66%−32,000−15.8%Reduced
Treasurer of the State of North Carolina169,798$82.4M0.25%−6,614−3.7%Reduced
Point72 Asset Management, L.P.169,451$82.2M0.18%−201,889−54.4%Reduced
Nordea Investment Management AB177,057$82.1M0.07%+113,866+180.2%Added
Harding Loevner LP168,576$81.8M0.60%−60,955−26.6%Reduced
Bristol Gate Capital Partners Inc.168,015$81.5M4.81%−5,483−3.2%Reduced
British Columbia Investment Management Corp167,513$81.2M0.47%+35,042+26.5%Added
Select Equity Group, L.P.161,479$78.3M0.34%+15,017+10.3%Added
Waters Parkerson & Co., LLC160,034$77.6M3.78%+924+0.6%Added
Nicholas Company, Inc.159,968$77.6M1.32%+24,990+18.5%Added
Jane Street Group, LLC159,753$77.5M0.09%−182,722−53.4%Reduced
SEI Investments Co152,589$74.0M0.08%−64,087−29.6%Reduced
Public Employees Retirement System of Ohio151,693$73.6M0.23%−3,005−1.9%Reduced
Raiffeisen Bank International AG159,161$73.5M0.98%+52,118+48.7%Added
Fiera Capital Corp151,374$73.4M0.24%−4,798−3.1%Reduced
Mariner, LLC151,278$73.4M0.09%+2,374+1.6%Added
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management150,450$73.0M3.96%00.0%Unchanged
Scharf Investments, LLC150,346$72.9M1.83%+150,346New
Impax Asset Management Group plc150,031$72.8M0.42%−20,515−12.0%Reduced
Congress Asset Management Co149,885$72.7M0.48%−12,613−7.8%Reduced
AQR Capital Management LLC155,608$72.4M0.05%+46,918+43.2%Added
New South Capital Management Inc148,290$71.9M3.28%−2,413−1.6%Reduced
Calamos Advisors LLC147,700$71.6M0.29%+27,510+22.9%Added
Jones Financial Companies LLLP152,635$71.6M0.05%+23,609+18.3%Added
Toronto Dominion Bank147,494$71.4M0.14%−203,817−58.0%Reduced
Abn Amro Investment Solutions147,090$71.3M1.46%−3,207−2.1%Reduced
Wealth Enhancement Advisory Services, LLC131,621$71.0M0.11%+213+0.2%Added
HighTower Advisors, LLC146,255$70.9M0.08%+2,143+1.5%Added
Mn Services Vermogensbeheer B.V.143,500$69.6M0.45%+2,400+1.7%Added
Federation des caisses Desjardins du Quebec142,650$69.2M0.27%+57,166+66.9%Added
KLP Kapitalforvaltning AS142,383$69.1M0.27%−300−0.2%Reduced
Bridges Investment Management Inc142,220$69.0M0.88%−1,394−1.0%Reduced
Summitry LLC141,459$68.6M2.90%+2,941+2.1%Added
State of Tennessee, Treasury Department141,398$68.6M0.23%−7,458−5.0%Reduced
Employees Retirement System of Texas138,581$67.2M0.54%−813−0.6%Reduced
UniSuper Management Pty Ltd137,940$66.9M0.41%+8,982+7.0%Added
Pinebridge Investments, L.P.137,676$66.8M0.50%+4,223+3.2%Added
Robeco Schweiz AG137,514$66.7M1.50%−24,083−14.9%Reduced
Westwood Holdings Group Inc.136,567$66.2M0.47%+134,444+6,332.7%Added
Compass Capital Management, Inc136,450$66.2M3.50%−15,402−10.1%Reduced
Quantinno Capital Management LP135,025$65.5M0.18%+50,341+59.4%Added
Blair William & Co134,124$65.1M0.17%−1,431−1.1%Reduced
Whittier Trust Co119,518$64.9M0.74%+26,584+28.6%Added
State of New Jersey Common Pension Fund D132,248$64.1M0.24%+4,324+3.4%Added
Danica Pension, Livsforsikringsaktieselskab131,645$63.9M0.99%−281,854−68.2%Reduced
Tiaa Trust, National Association131,012$63.5M0.15%+7,064+5.7%Added
Scotia Capital Inc.128,534$62.3M0.27%+11,814+10.1%Added
Allspring Global Investments Holdings, LLC117,281$62.2M0.10%+10,282+9.6%Added
DnB Asset Management AS126,849$61.5M0.23%−12,465−8.9%Reduced
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund126,612$61.4M2.24%+18,447+17.1%Added
Nisa Investment Advisors, LLC126,252$61.3M0.24%−2,012−1.6%Reduced
Davis R M Inc125,879$61.1M1.07%−2,494−1.9%Reduced
Harvest Portfolios Group Inc.125,513$60.9M1.12%−4,403−3.4%Reduced
Creative Planning122,796$59.6M0.05%+11,027+9.9%Added
Chilton Capital Management LLC121,094$58.7M1.98%+14,070+13.1%Added
London & Capital Asset Management Ltd120,987$58.7M4.19%−5,171−4.1%Reduced
Groupe la Francaise120,989$57.8M0.79%+43,964+57.1%Added
Northwestern Mutual Wealth Management Co118,931$57.7M0.04%+4,995+4.4%Added
Lansforsakringar Fondforvaltning AB (publ)118,362$57.4M0.30%+1,652+1.4%Added
Truist Financial Corp117,437$57.0M0.08%−10,830−8.4%Reduced
Mediolanum International Funds Ltd123,256$56.9M0.60%+65,353+112.9%Added
Advisors Capital Management, LLC116,545$56.5M0.70%+1,401+1.2%Added
CIBC World Markets Inc.116,420$56.5M0.12%+32,400+38.6%Added
Resona Asset Management Co.,Ltd.116,970$56.3M0.27%−6,119−5.0%Reduced
Aviso Financial Inc.115,486$56.0M2.28%+3,607+3.2%Added
Teacher Retirement System of Texas114,762$55.7M0.22%−7,794−6.4%Reduced
Polen Capital Management LLC114,513$55.5M0.18%−2,075,835−94.8%Reduced
Braidwell LP113,933$55.3M1.64%−21,300−15.8%Reduced
Banque Transatlantique SA113,348$55.2M1.35%−250−0.2%Reduced
Caledonia Investments PLC111,767$54.2M5.33%00.0%Unchanged
Guyasuta Investment Advisors Inc111,439$54.1M3.11%+1,524+1.4%Added
Arizona State Retirement System110,268$53.5M0.29%−90−0.1%Reduced
ASR Vermogensbeheer N.V.110,191$53.4M0.65%−6,601−5.7%Reduced
Magellan Asset Management Ltd109,747$53.2M0.63%+97,298+781.6%Added
Skye Global Management LP108,000$52.4M1.05%−38,500−26.3%Reduced
Bellevue Group AG106,185$51.5M1.07%−7,359−6.5%Reduced
Evelyn Partners Investment Management LLP104,834$50.8M1.44%−2,096−2.0%Reduced
E. Ohman J:or Asset Management AB104,361$50.6M1.19%+18,686+21.8%Added
Franklin Street Advisors Inc104,094$50.5M2.91%+87,872+541.7%Added
Bowen Hanes & Co Inc104,050$50.5M1.26%+23,220+28.7%Added
Janney Montgomery Scott LLC103,025$50.0M0.12%−395−0.4%Reduced
BI Asset Management Fondsmaeglerselskab A/S107,938$49.7M0.45%+42,724+65.5%Added
State of Michigan Retirement System102,110$49.5M0.24%−500−0.5%Reduced
Crestwood Advisors Group LLC99,793$48.4M0.82%+4,484+4.7%Added
Aquatic Capital Management LLC99,711$48.4M0.90%−47,211−32.1%Reduced
Capital International Sarl99,218$48.1M0.83%+4,689+5.0%Added
Factory Mutual Insurance Co98,935$48.0M0.47%+2,500+2.6%Added
Snyder Capital Management L P98,285$47.7M0.90%+40,997+71.6%Added
Capitolis Liquid Global Markets LLC98,000$47.5M0.38%−238,600−70.9%Reduced
Covea Finance96,517$46.8M1.63%−4,637−4.6%Reduced
Cetera Investment Advisers96,503$46.8M0.05%+29,696+44.5%Added
Holocene Advisors, LP96,292$46.7M0.11%+96,292New
Czech National Bank95,906$46.5M0.32%+3,634+3.9%Added
Advisor Group Holdings, Inc.96,120$46.5M0.07%+28,405+41.9%Added
Dundas Partners LLP95,231$46.2M3.26%+2,038+2.2%Added
Washington Trust Co95,117$46.1M1.51%−320−0.3%Reduced
M&T Bank Corp94,571$45.9M0.15%−4,789−4.8%Reduced
MetLife Investment Management93,694$45.4M0.22%−2,497−2.6%Reduced